/* Copyright (c) 2020 XEPIC Corporation Limited */
/*
 * Copyright (c) 1999-2019 Stephen Williams (steve@icarus.com)
 *
 *    This source code is free software; you can redistribute it
 *    and/or modify it in source code form under the terms of the GNU
 *    General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA.
 */

#include "PTask.h"

#include <cassert>

#include "config.h"

PTaskFunc::PTaskFunc(perm_string n, LexicalScope* p)
    : PScope(n, p), this_type_(0), ports_(0) {}

PTaskFunc::~PTaskFunc() {}

bool PTaskFunc::var_init_needs_explicit_lifetime() const {
  return default_lifetime == STATIC;
}

void PTaskFunc::set_ports(vector<pform_tf_port_t>* p) {
  assert(ports_ == 0);
  ports_ = p;
}

void PTaskFunc::set_this(class_type_t* type, PWire* this_wire) {
  assert(this_type_ == 0);
  this_type_ = type;

  // Push a synthesis argument that is the "this" value.
  if (ports_ == 0) ports_ = new vector<pform_tf_port_t>;

  size_t use_size = ports_->size();
  ports_->resize(use_size + 1);
  for (size_t idx = use_size; idx > 0; idx -= 1)
    ports_->at(idx) = ports_->at(idx - 1);

  ports_->at(0) = pform_tf_port_t(this_wire);
}

PTask::PTask(perm_string name, LexicalScope* parent, bool is_auto__)
    : PTaskFunc(name, parent), statement_(0) {
  is_auto_ = is_auto__;
}

PTask::~PTask() {}

void PTask::set_statement(Statement* s) {
  assert(statement_ == 0);
  statement_ = s;
}

PNamedItem::SymbolType PTask::symbol_type() const { return TASK; }
